On 15-10-21, 11:17, Ulf Hansson wrote: > As far as I understand, the "performance domains" DT bindings that > $subject patch introduces, allows us to group devices into domains, to > let them be "performance controlled" together. Right? This and it also provides a reg space where we can get/set the performance state. > Unless I am missing something, it looks like power domains DT bindings > already offer this for us. Yes, certainly, the DT doc [1] needs an > updated description to better explain this, but other than that we > should be fine, don't you think? I think yes we can make it work through that as well, but I am not sure if we will be able to use required-opp n stuff here as the DT doesn't have the OPP table for the CPUs. The CPU's freq table is generated at runtime, see drivers/cpufreq/mediatek-cpufreq-hw.c for example. -- viresh
